Simple steps to have working lazarus on MAC OS X.
Is required Mac OS X 16.2
1) Install full XCODE, download from apple orinstall from Mac OS X cd.
2) Install FPC from here .
3)Download lazarus sources , build and use.
Steps to get and build
Open a terminal.
go to devs folder
get source of lazarus
svn co http://svn.freepascal.org/svn/lazarus/trunk lazarus
when finish, change to downloaded sources folder
make clean all